51481083 has 8 divisors (see below), whose sum is σ = 72679248. Its totient is φ = 32301824.

The previous prime is 51481081. The next prime is 51481093. The reversal of 51481083 is 38018415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51481083 - 2¹ = 51481081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51481083.

It is not an unprimeable number, because it can be changed into a prime (51481081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504666 + ... + 504767.

It is an arithmetic number, because the mean of its divisors is an integer number (9084906).

Almost surely, 2^51481083 is an apocalyptic number.

51481083 is a deficient number, since it is larger than the sum of its proper divisors (21198165).

51481083 is a wasteful number, since it uses less digits than its factorization.

51481083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009453.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 51481083 is about 7175.0319163053. The cubic root of 51481083 is about 372.0053834924.

Adding to 51481083 its reverse (38018415), we get a palindrome (89499498).

The spelling of 51481083 in words is "fifty-one million, four hundred eighty-one thousand, eighty-three".